A wrong constant used in Custom Functions menu

src/model_menus.cpp

@@ -3216,7 +3216,7 @@ void menuModelCustomFunctions(uint8_t event)
   for (uint8_t i=0; i<LCD_LINES-1; i++) {
     y = 1 + (i+1)*FH;
     k = i+s_pgOfs;
-    if(k==NUM_CHNOUT) break;
+    if(k==NUM_CFN) break;
     CustomFnData *sd = &g_model.funcSw[k];
     for (uint8_t j=0; j<4; j++) {
       uint8_t attr = ((sub==k && m_posHorz==j) ? ((s_editMode>0) ? BLINK|INVERS : INVERS) : 0);